variance test 中文意思是什麼

variance test 解釋
方差檢定
  • variance : n. 1. 變化,變動,變更;變度,變量;【統計】(平)方(偏)差。2. (意見等的)相異;不和,沖突,爭論。3. 【法律】訴狀和供詞的不符。
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. This paper anglicizes the date by using chi - square test, analysis of variance ( anova ) and liner regression analysis ; brings forth different characteristics of psychological actions and

    最後,本文通過對現象得分析研究其背後產生的原因、掌握其規律,力求能夠為博物館的工作提供現實依據。
  2. An optimized algorithm for mining association rules in hydrological time series is proposed on the foundation of the analysis of variance ( anova ), contingency table test and the new definition of interestingness

    摘要基於方差分析、列聯表檢驗以及興趣度的定義,提出一種挖掘水文時間序列關聯規則優化演算法。
  3. In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis

    本論文主要是研究在同一種二灰碎石混合料(石灰、粉煤灰、集料的含量及比例相同)中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維,通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究,並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影響,最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影響,並提出了相應的建議。
  4. The pca results indicated that the characteristics of length, breadth, the angle of leaf basal in lamina and the characteristics of calyx - tube, corolla dimension and inflorescence pedicel in the flower were the main reasons leading to the morphological variations, and the f - test of single factor variance analysis verified the conclusion

    主成分分析顯示,葉部特徵的長度、寬度、葉基夾角等,以及花部特徵的花獸筒、花冠幅、花序總梗等是造成不同居群野生早櫻表型差異的主要因素,單因素方差分析也印證了這一結論。
  5. The heath - carter anthropometric so - matotyping method was used. the somatotype components and distributions was calculated and compared with t - test and analysis of variance to test differences among the somatotype means and the somatotype attitudinal distance ( sad )

    按性別、城鄉、年齡進行了分組和體型計算,對不同組別的體型三因子值及體型分佈狀況進行了比較,應用t檢驗和方差分析對不組別的體型均值和體型點進行了分析。
  6. Res ults : to present the sufficient reasons for irreplacability of the analy sis of variance by t - test and main points concerning correct application of st atistics

    結果:給出不適合用t檢驗取代方差分析的充足理由和正確運用統計學的基本要領。
  7. The fifth chapter " stock price arfima, garch and figarch model " introduced different kinds of time series models including fractal model, method such as analysis of variance ( anova ) and unit root test to test the stability of time series, method and criteria to estimate the arfima, garch and figarch model

    第五章介紹了股票價格的分形時間序列模型,介紹了檢驗時間序列平穩性的方差分析和單位根檢驗方法以及非平穩的處理方法, arfima , garch和figarch模型的建模方法和股票市場的分形特徵和股票價格的figarcll模型叭穴參數估計方法和估計準則。
  8. Equal variance test

    等差異檢驗
  9. The test result shows that we got the optimum emulsified diesel oil of definite mixing ratio by variance analysis of power smoke and consume oil

    以發動機功率、耗油率和煙度的綜合評價值為指標進行方差分析,優選最佳的乳化油配比方案。
  10. All of the data were analyzed for variance analysis and newman - keuls test between groups using software stat. results : 1

    所得數據用stat軟體進行方差分析和各樣本均數間的newman - keuls檢驗。
  11. We empirically test the return serial correlation of shanghai stock market under the vr ( variance ratio ) test framework. we suggest that the test results of index and individual stocks are consistent with the exist results. the index return is positive serial correlation and individual stocks returns are weakly negative serial correlation

    2 .我們使用高頻交易數據,在方差比檢驗的框架下檢驗了上海證券市場收益率的序列相關性,我們發現在市場指數和個股樣本方面的檢驗結果與以往的研究結果存在一致性,即指數收益率存在正序列相關性,而個股收益率存在弱負序列相關性。
  12. In the last part, simultaneously analyzed three types of weak - form market efficiency tests - auto regression, run tests and variance ratio test for various data frequencies, perform the tests on both the shanghai and shenzhen markets for a period of more than six years

    第三章中,本文運用自回歸、遊程檢驗和方差比檢驗三種模型分別對我國上海股票市場和深圳股票市場的弱式有效性進行分析。
  13. Firstly, several methods are used to test if there is heteroscedasticity in the data. then some variance stabilizing transformation methods are applied to the data. finally, it is pointed out that the least squares fitting may be used to the transformed data

    先用幾種方法對數據是否具有異方差性進行檢驗,然後選擇適當的方法進行變換,最後指出,可以通過對新模型作最小二乘擬合等方法,觀察變換后的模型其數據的擬合程度,以確定模型的優劣。
  14. The present methods for testing the large - scale corpus segmentation have the following faults : a. it is difficult to exactly estimating the variance of population ; b. the sampling quantity is too large to test the corpus segmentation. to solve the given problems, we put forward the testing method based on clustering, which sorts the sample of corpus into many group by clustering them

    語料庫分詞質量的評價問題是漢語語料庫的特有問題,已有的簡單隨機抽樣的方法,當語料庫規模變大時,無法精確估計分詞質量評價中語料庫樣本的總體方差,同時,為了保證檢驗的精度,傳統抽樣方法的檢驗費用太高。
  15. The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly

    與已有的簡單隨機抽樣方法相比,本文提出的方法在大規模語料庫分詞質量評價時,有如下優點; a通過聚類得到語料庫抽樣樣本分詞正確率的分層知識,進而在檢驗中運用分層抽樣帶來的增益減少檢驗的費用: b
  16. The adaptability of the national sugarbeet variety test in 2002 was analyzed through statistical parameter of variance and coefficient of variability from variety locus of test data

    摘要通過對2002年國家甜菜品種區城試驗結果的統計分析,求得各參試品種的適應性統計參數品種地點互作方差估計值和變異系數,據此對參試品種進行適應性分析。
  17. On the basis of looking up a lot of literatures, using granger causality test, impulse response function and variance decomposition, i established the leading indicators system of fujian province. the dissertation is organized as follows

    本文在查閱和整理國內外大量關于先行指標研究文獻的基礎上,結合福建省的數據實際,運用計量經濟分析方法中的granger檢驗、脈沖響應函數和誤差方差分解嘗試建立了福建省經濟運行的先行指標體系。
  18. ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown

    然後,研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論,證明了模型系數的后驗分佈為多元t分佈,模型誤差項方差的后驗估計為逆gamma分佈;根據多元t分佈和f分佈之間的關系,構造了模型系數線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。
  19. The tests rational speculative bubbles in usa / jpy exchange rate in 1990 ~ 1998 with variance bound test, and adopts two sets of variance equalities to exclude the joint hypothesis of bubbles, irrational expectations and model specification

    摘要採用方差邊界法檢驗上美元日元匯率在1990年至1998年間的理性投機泡沫,並用兩組不同的方差不等式排除了泡沫、非理性預期及模型設定的聯合假設。
  20. As goldfeld - quandt test can only be applied to one independent variable, it is generalized in the second section. it shows that, in multivariate situation, the data can be arranged according to their principle components. but there should be a premise : the disturbances of the lower data group should have equal variance and those of the higher data group have the same variance

    由於戈德菲爾德-匡特檢驗方法只適用於一個自變量,因此,本文對g - q檢驗進行了推廣,說明在多變量的情況下,可以利用主成分對樣本數據進行排序,並強調使用戈德菲爾德-匡特檢驗的前提:低樣本組各觀察值的擾動項必須具有同方差性;高樣本組各觀察值的擾動項也必須具有同方差性,否則,檢驗的結果可能是錯誤的。
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